31352145

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{1367}}^1$

素因数の和:1525

約数の個数: 32

約数和(自身を含む): 55157760

約数和(自身を除く): 23805615

約数列:

[1, 3, 5, 11, 15, 33, 55, 139, 165, 417, 695, 1367, 1529, 2085, 4101, 4587, 6835, 7645, 15037, 20505, 22935, 45111, 75185, 190013, 225555, 570039, 950065, 2090143, 2850195, 6270429, 10450715, 31352145]

約数ペア:

[(1, 31352145), (3, 10450715), (5, 6270429), (11, 2850195), (15, 2090143), (33, 950065), (55, 570039), (139, 225555), (165, 190013), (417, 75185), (695, 45111), (1367, 22935), (1529, 20505), (2085, 15037), (4101, 7645), (4587, 6835)]